---
fs/nfsd/export.c | 1 +
include/linux/nfsd/export.h | 4 +++-
2 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index c487810..170bf68 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -1428,6 +1428,7 @@ static struct flags {
{ NFSEXP_ROOTSQUASH, {"root_squash", "no_root_squash"}},
{ NFSEXP_ALLSQUASH, {"all_squash", ""}},
{ NFSEXP_ASYNC, {"async", "sync"}},
+ { NFSEXP_WSYNC, {"wsync", ""}},
{ NFSEXP_GATHERED_WRITES, {"wdelay", "no_wdelay"}},
{ NFSEXP_NOHIDE, {"nohide", ""}},
{ NFSEXP_CROSSMOUNT, {"crossmnt", ""}},
diff --git a/include/linux/nfsd/export.h b/include/linux/nfsd/export.h
index 8ae78a6..f6b7fc9 100644
--- a/include/linux/nfsd/export.h
+++ b/include/linux/nfsd/export.h
@@ -31,7 +31,8 @@
#define NFSEXP_ALLSQUASH 0x0008
#define NFSEXP_ASYNC 0x0010
#define NFSEXP_GATHERED_WRITES 0x0020
-/* 40 80 100 currently unused */
+#define NFSEXP_WSYNC 0x0040
+/* 80 100 currently unused */
#define NFSEXP_NOHIDE 0x0200
#define NFSEXP_NOSUBTREECHECK 0x0400
#define NFSEXP_NOAUTHNLM 0x0800 /* Don't authenticate NLM requests - just trust */
@@ -121,6 +122,7 @@ struct svc_expkey {
};
#define EX_ISSYNC(exp) (!((exp)->ex_flags & NFSEXP_ASYNC))
+#define EX_ISWSYNC(exp) (EX_ISSYNC(exp) && ((exp)->ex_flags & NFSEXP_WSYNC))
#define EX_NOHIDE(exp) ((exp)->ex_flags & NFSEXP_NOHIDE)
#define EX_WGATHER(exp) ((exp)->ex_flags & NFSEXP_GATHERED_WRITES)
--
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